260650321 has 4 divisors (see below), whose sum is σ = 260998144. Its totient is φ = 260302500.

The previous prime is 260650279. The next prime is 260650331. The reversal of 260650321 is 123056062.

260650321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260650321 - 2¹¹ = 260648273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260650331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172785 + ... + 174286.

It is an arithmetic number, because the mean of its divisors is an integer number (65249536).

Almost surely, 2^260650321 is an apocalyptic number.

It is an amenable number.

260650321 is a deficient number, since it is larger than the sum of its proper divisors (347823).

260650321 is an equidigital number, since it uses as much as digits as its factorization.

260650321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347822.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 260650321 is about 16144.6685007776. The cubic root of 260650321 is about 638.7821248570.

The spelling of 260650321 in words is "two hundred sixty million, six hundred fifty thousand, three hundred twenty-one".